MGIC, Celldex, Forest Labs, PMI, Quiksilver: U.S. Equity Movers

Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parenthesis, and prices are as of 4 p.m. in New York.

Providers of temporary employees advanced after the U.S. Labor Department said companies added more jobs than forecast in August. Robert Half International Inc. (RHI US) rose 4.5 percent to $24.03. TrueBlue Inc. (TBI US) gained 18 percent to $13.70. SFN Group Inc. (SFN US) increased 9.6 percent to $6.60. Kelly Services Inc. (KELYA US) climbed 9 percent to $12.46. Monster Worldwide Inc. (MWW US), operator of a job-search Web site, rose 7 percent to $12.33.

Makers of clothing for office workers also rallied. AnnTaylor Stores Corp. (ANN US) gained 5.2 percent to $17.38. Men’s Wearhouse Inc. (MW US) climbed 5.4 percent to $21.36.

U.S. mortgage insurers advanced. MGIC Investment Corp. (MTG US), the biggest mortgage guarantor, rose 7.4 percent to $8.57. Radian Group Inc. (RDN US), the second-largest mortgage insurer, climbed 5.5 percent to $7.51. No. 3 PMI Group Inc. (PMI US) gained 9.7 percent to $3.62.

Andean Resources Ltd. (ANDPF US) surged 47 percent to $6.72, the most since at least 1996. Goldcorp Inc., the second-biggest Canadian gold producer, agreed to buy the Perth-based miner for C$3.6 billion ($3.5 billion), exceeding a rival offer to gain control of an Argentinean mine. The cash bid values the company at C$6.50 a share, or 2.2 percent more than an offer from Eldorado Gold Corp. (EGO US), Canada’s fifth-largest producer by market value. Eldorado shares fell 1.9 percent to $19.10.

Campbell Soup Co. (CPB US) dropped 3 percent, the most since Dec. 17, to $36.21. The world’s largest soup maker forecast 2011 profit excluding some items between $2.59 a share and $2.64 share. On average, the analysts surveyed by Bloomberg estimated earnings of $2.64.

Celldex Therapeutics Inc. (CLDX US) tumbled 26 percent, the most since October 2008, to $3.53. Pfizer Inc. (PFE US) is pulling out of an agreement with Celldex to fund the development of an experimental brain tumor vaccine. The vaccine is “no longer a strategic priority of Pfizer,” which will return the rights to the therapy, Celldex said.

Cooper Cos. (COO US) rose 7.1 percent, the most since Dec. 9, to $44.18. The maker of contact lenses and medical devices reported fiscal third-quarter profit excluding some items that exceeded the average analyst estimate in a Bloomberg survey and increased its forecasts for fourth-quarter adjusted profit.

Esterline Technologies Corp. (ESL US) jumped 9.9 percent, the most since September 2009, to $54.79. The Bellevue, Washington-based supplier to the aerospace and defense Industry raised its 2010 profit estimate to $3.85 to $3.95 a share, higher than the $3.60 average projection of analysts surveyed by Bloomberg.

Finisar Corp. (FNSR US) gained 15 percent, the most since September 2009, to $15.60. The maker of fiber-optic transmission gear said second-quarter sales would be at least $215 million, higher than the $206.14 million estimate of analysts.

Other fiber-optics companies also gained. Oclaro Inc. (OCLR US) jumped 17 percent to $13.11. JDS Uniphase Corp. (JDSU US) advanced 3.8 percent to $10.29.

Forest Laboratories Inc. (FRX US) rose 1.3 percent to $29.56, the highest price since April 7. A Food and Drug Administration advisory panel reviewing the company’s antibiotic ceftaroline in pneumonia and skin infections next week is likely to produce a positive outcome, leading to a gain of as much as 5 percent in the shares, according to Jefferies & Co.

H&R Block Inc. (HRB US) rose 5.8 percent, the most since June 2009, to $13.30. The biggest U.S. tax preparer reported a narrower quarterly loss from continuing operations as Chief Executive Officer Alan Bennett looks for a strategy to win back customers.

Krispy Kreme Doughnuts Inc. (KKD US) rose 4.7 percent to $4.46, the highest price since April 15. The doughnut chain boosted its 2011 forecast for operating income excluding some charges to $13 million to $17 million.

Quiksilver Inc. (ZQK US) declined 11 percent, the most since June 7, to $3.63. The maker of clothing for skateboarders and surfers said third-quarter sales fell short of analyst estimates.

SeaChange International Inc. (SEAC US) fell 16 percent to $7.21, the biggest drop in a year. The maker of video-on-demand equipment and software reported second-quarter profit excluding some items that fell short of the average analyst estimate in a Bloomberg survey and lowered its full-year revenue forecast.

Sunoco Inc. (SUN US) rose 3.9 percent, the most since July 30, to $35.95. The Philadelphia-based refinery said former General Motors Co. Chief Executive Officer Frederick A. “Fritz” Henderson has joined the company as a senior vice president to help prepare for the previously announced separation of SunCoke Energy from Sunoco.

Take-Two Interactive Software Inc. (TTWO US) jumped 7.3 percent, the most since July 7, to $9.50. The publisher of the “Grand Theft Auto” video games reported an unexpected third-quarter profit and boosted its earnings outlook on sales of the newest release, “Red Dead Redemption.”

Ulta Salon Cosmetics & Fragrance Inc. (ULTA US) advanced 18 percent, the most since September 2009, to $26.30. The beauty products retailer forecast third-quarter adjusted earnings of 20 cents to 22 cents a share, higher than the average analyst estimate of 17 cents.

U.S. Airways Group Inc. (LCC US) gained 3.3 percent to $9.97, the highest price since Aug. 4. The company said its August passenger revenue per available seat mile increased an estimated 15 percent.